📄 helpdialog.java
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package sasa.view;
import javax.swing.JPanel;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Toolkit;
import javax.swing.JDialog;
import javax.swing.JButton;
import javax.swing.JLabel;
import java.awt.Rectangle;
/**
* @author sasa
*
* @version 1.0 2007-4-28 下午08:32:08
*/
public class HelpDialog extends JDialog {
private static final long serialVersionUID = 1L;
private JPanel jContentPane = null;
private JButton close = null;
private JLabel content = null;
/**
* @param owner
*/
public HelpDialog(Frame owner) {
super(owner,"help",true);
initialize();
}
/**
* This method initializes this
*
* @return void
*/
private void initialize() {
this.setSize(330, 200);
this.setContentPane(getJContentPane());
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
this.setLocation((int)(screenSize.getWidth() - 330)/2,(int)(screenSize.getHeight() - 200)/2);
this.setResizable(false);
}
/**
* This method initializes jContentPane
*
* @return javax.swing.JPanel
*/
private JPanel getJContentPane() {
if (jContentPane == null) {
jContentPane = new JPanel();
jContentPane.setLayout(null);
jContentPane.add(getClose(), null);
jContentPane.add(getContent(), null);
}
return jContentPane;
}
/**
* This method initializes close
*
* @return javax.swing.JButton
*/
private JButton getClose() {
if (close == null) {
close = new JButton();
close.setBounds(new Rectangle(103, 132, 71, 28));
close.setText("close");
close.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
dispose();
}
});
}
return close;
}
/**
* This method initializes content
*
* @return javax.swing.JTextArea
*/
private JLabel getContent() {
if (content == null) {
content = new JLabel();
content.setBounds(new Rectangle(21, 19, 263, 104));
content.setText("<html>程序共分为两部分：<p>其一是输入正确的表达式计算值，输入的值不能含小数，输出的结果类型为float<p>其二是随机出题测试，用户每次次最多能回答10题，能计时并返回用户答题情况");
}
return content;
}
}
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